Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik S250DS Dispersant

Evonik S250DS Dispersant is a high-performance polymeric dispersant from Evonik’s DISPERS® series, designed for stable pigment dispersion in solvent-based coatings and inks. It offers excellent wetting, viscosity control, and long-term storage stability while minimizing flocculation. Compatible with diverse resin systems, it enhances gloss, color strength, and transparency without compromising flow or leveling.
  • evonik s250ds dispersant_eb98ec84
  • evonik s250ds dispersant_eb98ec84

Features Of Evonik S250DS Dispersant

  1. High-efficiency steric stabilization for inorganic pigments and fillers in aqueous systems.

  2. Low foaming profile, enabling stable processing in high-shear dispersion and pumping operations.

  3. Excellent compatibility with acrylic, styrene-acrylic, and PVA-based binder systems.

  4. pH-stable performance across a broad range (pH 6–10), supporting formulation flexibility.

  5. Reduced viscosity buildup during storage, improving long-term colloidal stability of pigment concentrates.

Typical Applications Of Evonik S250DS Dispersant

  1. Architectural waterborne paints and coatings.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. Exterior masonry and façade coatings requiring high weathering resistance.

  4. Colorant dispersions for tinting systems and universal colorants.

  5. Functional coatings containing TiO₂, calcium carbonate, and clay pigments.

Specifications Of Evonik S250DS Dispersant

Chemical TypeModified polyacrylate copolymer
Product FormAqueous solution (~35% active content)
AppearanceClear to slightly opalescent liquid
pH (10% aqueous solution, 25°C)7.0 – 8.5
Density (20°C)1.04 – 1.08 g/cm³
Viscosity (25°C, Brookfield LVT, Spindle #1, 60 rpm)150 – 400 mPa·s
Primary ApplicationsPigment dispersion in waterborne architectural and industrial coatings
Key FeaturesSteric stabilization, low foam, pH robustness, binder compatibility


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